PETARMOR Flea & Tick Treatment for Cats with Fipronil (Over 1.5 Pounds), 3 Monthly Applications PetArmor Flea & Tick Topical for Cats kills adult fleas, ticks, and chewing lice This vet-quality formula acts fast and starts killing adult fleas within 24 to 48 hours and ticks within 72 hours PetArmor flea & tick treatment protects cats and kittens 8 weeks and older for up to 30 days after application and prevents infestations of adult fleas Flea and tick treatment for cats comes with three (3) 0.017 fl. oz. waterproof topical applications Flea and tick protection for cats protects your furry family member from brown dog ticks, American dog ticks, lone star ticks, and deer ticks (which may transmit Lyme disease)